Solid MQ Silicone Resin Powder / Flake CAS 67763‑19‑3 is solvent‑free solid M‑Q structured methyl silicone resin produced via co‑hydrolysis, polycondensation and subsequent solvent‑removal processes. It is supplied in powder or flake physical form. Without residual bulk solvent, the resin simplifies material feeding for extrusion‑based plastic masterbatch production. It also can be dissolved in organic solvents for coating formulations, serving as modifying additive for plastics masterbatch and

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Solid MQ Silicone Resin Powder / Flake CAS 67763‑19‑3, Easy‑Handling Solid MQ Resin for Plastics Masterbatch & Coating

This solid‑state MQ silicone resin is synthesized through controlled co‑hydrolysis and polycondensation of methyl alkoxysilane and tetraalkoxysilane monomers. After the polymerization reaction is completed, the solvent is stripped under vacuum to obtain solvent‑free solid material, which is further processed into flake or fine powder. The molecular skeleton is constructed from monofunctional M‑units and tetrafunctional Q‑units. The M/Q molar ratio is precisely adjusted during manufacturing to control softening‑point, solubility and compatibility with different polymer matrices. Softening temperature can be tailored to match extrusion processing conditions for plastic masterbatch.

Compared with traditional solvent‑containing MQ silicone resin solutions, this solvent‑free solid powder / flake eliminates large‑volume organic solvent content. It reduces transportation weight, lowers flammability‑related hazards in warehouse storage, and simplifies metered feeding during compounding operations. The solid form enables direct dry blending with polymer pellets and other additives prior to twin‑screw extrusion for masterbatch production.

For plastic masterbatch manufacturing, the solid MQ resin melts under extrusion heat and shear, then disperses inside polyolefin, engineering‑plastic matrices. The incorporated MQ silicone component improves surface slip property, scratch resistance and demolding performance of final plastic articles. It also enhances thermal stability and reduces surface friction coefficient for injection‑molded and extruded plastic parts. Uniform dispersion inside masterbatch is critical; poor melting‑dispersion may leave fine resin agglomerate specks on finished plastic product surfaces.

When applied for coating production, the solid flake or powdered MQ resin needs complete dissolution in aromatic or aliphatic hydrocarbon solvents under stirring and mild heating. After full dissolution, it can be blended with pigments, fillers and other coating raw materials. It functions as film‑forming and reinforcing modifier, increasing coating surface hardness, water‑repellent property and outdoor weathering performance. It is suitable for industrial protective coatings and silicone‑hybrid coating systems.

Solubility characteristics are directly determined by M/Q ratio and softening point. Resins with higher Q‑unit content possess higher softening points and relatively poorer dissolution rate in organic solvents. Formulators should adjust dissolution temperature and stirring duration accordingly. During masterbatch extrusion, processing temperature should be set above the softening point of the solid MQ resin to guarantee adequate melting before dispersion into polymer melt. Overheating should be avoided to prevent thermal decomposition of siloxane backbone.

In compounding operations, dust suppression is necessary when handling fine powder grade. The flake grade generates less fine dust and delivers better feeding stability for extrusion processes. Formulation dosage requires careful optimization. Excessive resin loading may reduce interfacial bonding inside plastic matrix and induce surface blooming; insufficient addition cannot achieve targeted slip and hardening modification effects.

The product must be stored in hermetically sealed packaging under cool, dry warehouse conditions. High‑temperature storage should be avoided to prevent caking and block formation of powder or flake particles. Cross‑contamination with other silicone additives must be prevented during material handling. This solvent‑free solid MQ silicone resin in powder or flake form is a practical easy‑feed raw material for plastics masterbatch and industrial coating production.

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Jishengya Technology

Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.